in reply to Re: check undef
in thread check undef

return 0 has a potentially dangerous effect. It will evaluate as true if your subroutine is called in list context. Just a bare return is usually a better idea.

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Re^3: check undef
by ikegami (Patriarch) on Jun 23, 2009 at 12:16 UTC
    Not better, different. Now it breaks under different circumstances.
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